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Program Studi Teknik Pertanian Universitas Hasanuddin. Alamat : Fakultas Pertanian Universitas Hasanuddin, Kampus Unhas Tamalanrea KM 10 Makassar 90245.
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Salaga Journal
Published by Universitas Hasanuddin
ISSN : -     EISSN : 30322677     DOI : https://doi.org/10.70124/salaga
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Control & Systems Engineering Electrical & Electronics Engineering Engineering
SALAGA journal is an academic journal for the publication of original articles and reviews in the field of appropriate technology for agriculture production and processing. The aim of this journal is to provide a forum for academia, researchers, and practitioners in discussing, reviewing, analyzing, and reporting research findings related to appropriate technologies in agriculture production and processing. Using tools, equipment, and practices that are well-matched to the regional contexts, resources, and farmer needs is referred to as using appropriate technology in agriculture. It seeks to be reasonably priced, long-lasting, and simple to maintain while enhancing production and livelihoods by taking into account environmental and social factors. Editor in Chief: Haerani ISSN (online): 3032-2677 Frequency: Biannual
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "volume 04, no. 1, june 2026" : 6 Documents clear
Strategy for Developing Four-Wheel Tractor Utilization at the Agricultural Agribusiness UPTD of Maros Regency Kartini Kartini; Iqbal; Olly Sanny Hutabarat; Diyah Yumeina
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.1830

Abstract

Agricultural mechanization through four-wheel tractors (TR4) plays a critical role in improving rice farming efficiency and addressing persistent labor shortages in rural areas. However, research on the institutional development strategies of government-managed Alsintan service units (UPTD) at the district level remains limited in the Indonesian context. This study aims to (1) identify internal and external factors influencing TR4 utilization at the UPTD of Agricultural Agribusiness Management of Maros Regency, and (2) formulate strategic development recommendations. Data were collected through structured interviews and questionnaires involving 15 purposively selected respondents comprising UPTD managers, field extension officers, farmers, and representatives from related agencies. SWOT analysis was applied using Internal Factor Analysis Summary (IFAS) and External Factor Analysis Summary (EFAS) matrices with weighted scoring. Results indicated that the IFAS strength score (3.340) exceeded the weakness score (3.098), and the EFAS opportunity score (3.091) exceeded the threat score (2.856), positioning the UPTD in Quadrant I (Aggressive/SO Strategy). The identified priority strategies are: (1) socialization of TR4 services supported by relevant government agencies; (2) strengthening multi-stakeholder cooperation; (3) application of competitive rental rates; and (4) expansion of TR4 fleet availability through policy advocacy. These findings provide evidence-based recommendations for institutional development and agricultural mechanization policy in Maros Regency.
Physical Properties of White Pepper as Affected by Skin-Peeling Method: A Comparative Study of Soaking and Boiling on Green and Red Pepper Fruits Andi Muhammad Tegar Mengembara; Muhammad Tahir Sapsal; Junaedi Muhidong; Febriana Intan Permata Hati
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.2271

Abstract

Skin-peeling method is a critical determinant of white pepper quality. This study evaluated the effects of two skin-peeling treatments, soaking at room temperature (30 °C for 10–14 days) and boiling at high temperature (100 °C for 10 minutes), on three physical properties of white pepper produced from green and red pepper fruits (Piper nigrum L.): moisture content (wet-basis/MC wb and dry basis/ MC db), color attributes (L*, a*, b*), and hardness. A total of 150 fresh pepper fruits from Bulukumba Regency, sorted at two maturity levels (green and red, 5.5–6.0 mm diameter), were divided into four treatment groups. This study was descriptive and comparative in nature without statistical replication; results are presented as single-point observations. The boiling treatment produced the lowest MC wb in peeled red pepper (LMPK: 8.83%), the only sample approaching the maximum threshold set by SNI 0004:2013 (≤13.0%). Soaking resulted in MC wb values of 25.05% for peeled pepper across both maturity levels. In terms of surface lightness, soaked peeled red pepper (LMRK: L* = 11.86) outperformed boiled peeled red pepper (LMPK: L* = 8.51), indicating that soaking better preserved kernel brightness. Hardness values of peeled pepper ranged from 27.68 N (LHPK) to 36.62 N (LMPK), with the boiling treatment producing comparable or slightly higher hardness than soaking. The soaking method produced brighter white pepper kernels, while boiling more effectively reduced moisture content and is better suited when shelf life is the priority.
Effects of Vernonia amygdalina and Azadirachta indica Extracts on Postharvest Weight Loss and Shelf Life of Tomato (Solanum lycopersicum L.) Cultivars Folasade Ade-Ogunnowo; Oluseyi Adejoye
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.2286

Abstract

Postharvest weight loss is a major constraint on tomato (Solanum lycopersicum L.) shelf life in tropical environments. This study evaluated ethanol and aqueous leaf extracts of Vernonia amygdalina (bitter leaf) and Azadirachta indica (neem) for their effects on weight retention and storage kinetics of San Marzano and Royal tomato cultivars over 20 days at ambient conditions (28 ± 2°C). Treatments comprised ethanol extracts (50–200 g/500 mL), aqueous hot and cold extracts (50 g/500 mL), and a distilled water control in a completely randomised design. Physiological loss in weight (PLW) differed significantly among treatments (p < 0.05). The 100 g/500 mL ethanol extract of bitter leaf gave the lowest PLW and highest weight retention, in Royal (37.3%) followed by San Marzano (41.9%). Hot aqueous extracts showed moderate efficacy (46.2–50.3% PLW), cold aqueous extracts were least effective (70.7–77.3%), and excess ethanol (150–200 g/500 mL) accelerated deterioration (81.6–86.9% PLW), indicating phytotoxicity. Weight loss followed an exponential decay pattern (R² = 0.91–0.98), with lower decay constants in optimised treatments (k ≈ 0.063–0.069 day⁻¹). Royal consistently showed greater postharvest stability than San Marzano. These findings indicate that a 100 g/500 mL V. amygdalina ethanol formulation offers an accessible, low-cost postharvest coating that can extend tomato shelf life and reduce reliance on synthetic fungicides for smallholder farmers in tropical regions.
Media Hydraulics Govern Pakchoi (Brassica chinensis) Growth under Floating Sub-irrigation Hilda Agustina; Lily Endah Diansari; K.H. Iskandar
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.2289

Abstract

Floating vegetable cultivation can reduce production constraints in wetland areas, but its performance depends on the capacity of planting and suction media to regulate capillary water supply in the root zone. This study evaluated the effects of media hydraulics on root-zone moisture, growth, and yield of pakchoi under a floating sub-irrigation system. A greenhouse experiment was arranged using two planting media, namely soil:rice husk charcoal:manure (1:1:1) and soil:manure (3:1), combined with two suction media, namely crushed tile particles and fabric wick, with three replications. Hydraulic conductivity, bulk density, root-zone moisture dynamics, plant height, leaf number, and fresh biomass were observed. The soil:manure medium had lower hydraulic conductivity (4.23 × 10⁻⁵ cm s⁻¹) and higher bulk density (0.97 g cm⁻³), indicating greater water retention capacity than the more porous medium. The combination of soil:manure and crushed tile suction media produced the best crop response, with plant height of 22.17 cm, 10 leaves plant⁻¹, and fresh biomass of 86.21 g plant⁻¹. These results indicate that floating sub-irrigation performance is governed by the balance between capillary water supply and root-zone moisture retention. The system can be developed as a passive, low-energy irrigation technology for wetland vegetable cultivation.
The Effect of Nozzle Type and Height on the Performance of the Ferto-15 Drone M. Asqar Asqari Syafnur; Mahmud Achmad; Sitti Nur Faridah; Abdul Azis; Syahrial Sabaniah
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.2290

Abstract

The efficiency of agricultural spraying drones heavily relies on hardware selection, such as nozzles, and operational parameters like flight height, which creates a trade-off between spray coverage and drift. This study aimed to analyze the effect of three nozzle types (flat fan, even fan, cone) and three flight heights (2 m, 2.5 m, and 3 m) on spray area, drift, efficiency, and uniformity (CU and DU) on the Ferto-15 drone. The research method employed a Completely Randomized Design (CRD) under static and dynamic test conditions, with spray volume data collected using catch cans. The results indicated that flight height was the most dominant factor; increasing height expanded the spray area but increased drift and decreased efficiency in dynamic tests. Nozzle type and its interaction with height had a pronounced effect under dynamic conditions, where the Flat-Fan nozzle consistently produced the most superior distribution uniformity (CU and DU). The main conclusion shows that the most optimal configuration was the use of the Flat-Fan nozzle at a 2-meter height, which provided the best balance between high deposition efficiency (95.89%), low drift (0.411 L), and superior uniformity (CU 89.89%). This finding demonstrates that achieving effective spraying performance depends on the synergistic combination of nozzle type and flight height.
Mapping Cacao Plantations Using Random Forest Classification and Sentinel-2A Imagery in Batulappa District, Pinrang Regency, Indonesia Putri Ayu Andirah; Haerani; Suhardi; Husnul Mubarak
Salaga Journal Volume 04, No. 1, June 2026
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v4i1.2298

Abstract

Remote sensing and Geographic Information System (GIS) technologies provide effective tools for mapping plantation crops and supporting sustainable land management. Cacao is an important plantation commodity in Indonesia, particularly in Pinrang Regency, South Sulawesi. This study aimed to map cacao and non-cacao land cover in Batulappa District using Sentinel-2A imagery and the Random Forest algorithm. Three input approaches were evaluated: an RGB band composite, the Normalized Difference Vegetation Index (NDVI), and Gray-Level Co-occurrence Matrix (GLCM) texture features. Ground-truth data were divided into training and validation datasets, and classification accuracy was assessed using a confusion matrix, including overall accuracy, user accuracy, and producer accuracy. The RGB band composite produced the highest overall accuracy of 85.38%, followed by GLCM with 75.47% and NDVI with 74.06%. For the cacao class, the RGB approach achieved a user accuracy of 80.00% and a producer accuracy of 86.96%, with an estimated cacao area of 4,516.80 ha, or 46.90% of the study area. These results indicate that the Sentinel-2A RGB band composite combined with Random Forest classification outperformed NDVI and GLCM for mapping cacao plantations in Batulappa District.

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